Manufacturer Part No: HCNRE. Order Code: Technical Datasheet: HCNRE Datasheet. See all Technical Docs. Broadcom HCNRE: available from 15 distributors. Explore Optoelectronics on Octopart: the fastest source for datasheets, pricing, specs and . HCNR/HCNR is UL Recognized with Vrms for 1 minute per UL . Mount. Wing & Reel 1 Minute rating VIORM = Vpeak. Quantity. E.
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Pins 1, 2, 3, and 4 shorted together and pins 5, 6, 7, and 8 shorted together. This output current generates a voltage across R3, which is then sensed by R2.
hcnr201-000ee HCNR fig 2 0. In the high-speed circuit discussed above, the input and output circuits are stabilized by reducing the local loop gains of the input and output circuits.
Page 3 Package Outline Drawings A Parameter Symbol Input-Output Typical photodiode leakage vs. IMRR is defined as the ratio of the signal gain with signal applied to VIN of Figure 16 to the isolation mode gain with VIN connected to input common and the signal applied dataseet the input and output commons at 60 Hz, expressed in dB.
HCNRE Avago Technologies US Inc., HCNRE Datasheet
The basic optocoupler con- sists of an LED and two photodiodes. The feedback amplifier acts to stabilize and hncr201-000e the light output of the LED. High-speed low-cost analog isolator. Contact your Avago sales representative or authorized distributor for information. The circuit has a bandwidth of about 1. Absolute Maximum Ratings Storage Temperature Parameter Symbol Device Min.
As a result, the non-linearity.
Loop-powered mA current loop circuits. Page 19 The fi nal circuit shown in Figure 19 isolates a bipolar analog signal using only one optocoupler and generates two output signals: Because a photodiode can conduct current in only one direction, two diodes D1 and D2 are used to steer the input current to the appropriate terminal of input photodiode PD1 to allow bipolar input currents.
Example Application Circuits The circuit shown in Figure 16 is a high-speed low-cost circuit designed for use in the feedback path of switchmode power supplies. The output circuit does not directly generate an output voltage which is sensed by R2, it instead uses Q1 to generate an output current which flows through R3.
Diodes D1 and D2 help reduce crossover distortion by keeping both amplifiers active during both positive and negative portions of the input signal.
Contact your Avago sales representative or authorized distributor for information. LED forward voltage vs.
Q3 2N Vcc 5. Option datasheets are available. The first circuit has the obvious advantage of requiring only one optocoupler; however, the offset performance of the hcnr201–000e is dependent on the matching of IOS1 and IOS2 hcnr20-1000e is also dependent on the gain of the optocoupler.
External Creepage L IO2 However, an additional amplifier is used to provide an appropriate offset voltage to the other amplifiers that exactly cancels the diode voltage drops to maintain circuit accuracy.
Broadcom/Avago HCNRE – PDF Datasheet – DIP Optocouplers In Stock |
Also notice that IPD1 is exactly proportional to VIN, giving a very linear relationship between the input voltage and the photodiode current. Device considered a two-terminal device: The input terminals of the op-amps and the photodiodes are connected in the circuit using Kelvin connections to help ensure the accuracy of the circuit.
Gull Wing Surface Mount Option The two OP-AMPS shown are two separate LM, and not two channels in a single dual package, otherwise the loop side and output side will not be properly isolated. The fi nal circuit shown in Figure 19 isolates a bipolar analog daatasheet using dattasheet one optocoupler and generates two output signals: High Speed High Precision 1.
This allows the designer to make fatasheet ormance trade-off s that would otherwise be diffi cult Two topologies that allow for bipolar operation are shown in Figure This would reduce the loop gain of the input circuit, reducing circuit accuracy and bandwidth.
Example Hnr201-000e Circuits The circuit shown Dstasheet the basic circuit operation has not changed, the circuit still has good gain stability. Specific performance will depend on circuit topology and components. Protective cut-out switches must be used to ensure that the safety limits are not exceeded.
Figure 13 illustrates how to change the basic circuit to accommodate both positive and negative input and output voltages. IPD1 is equal to the current in R1 and is given by the following equation: The output photodiode then converts the stable, linear light output of the LED into a current, which can then be converted back into a voltage by another amplifier.